I am pretty sure the answer is 96
Factor out cosx: cosx(sinx-2)=0
cosx=0 or sinx-2=0
cosx=0 or sinx=2
the largest value of sinx is 1, sinx will never be 2, so cosx=0, x=π/2 or 3π/2 are the two answers.
Answer: 4r - 9 > 7, r= 4
Step-by-step explanation: Add 9, 4r > 16, divide by 4 to get the value of ‘r’ by itself